Finding the Fourth Proportional to 982,897.75, 1,355,878.68 and 676,442.09
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Solution
The fourth proportional to 982,897.75, 1,355,878.68 and 676,442.09 is: 933,132.07
Step by Step Solution
- Step 1: Write the proportion equation
982,897.75 : 1,355,878.68 = 676,442.09 : x - Step 2: Convert to fraction form
982,897.75/1,355,878.68 = 676,442.09/x - Step 3: Cross multiply
982,897.75x = 1,355,878.68 × 676,442.09 - Step 4: Simplify right side
982,897.75x = 917,173,408,938.68 - Step 5: Solve for x
x = 917,173,408,938.68/982,897.75 - Step 6: Final answer
x = 933,132.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.